Home / 15,024.39-20,733.27-8,309.85

Finding the Fourth Proportional to 15,024.39, 20,733.27 and 8,309.85

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Solution

The fourth proportional to 15,024.39, 20,733.27 and 8,309.85 is: 11,467.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,024.39 : 20,733.27 = 8,309.85 : x
  2. Step 2: Convert to fraction form
    15,024.39/20,733.27 = 8,309.85/x
  3. Step 3: Cross multiply
    15,024.39x = 20,733.27 × 8,309.85
  4. Step 4: Simplify right side
    15,024.39x = 172,290,363.71
  5. Step 5: Solve for x
    x = 172,290,363.71/15,024.39
  6. Step 6: Final answer
    x = 11,467.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.